Sea Floor Spreading Activity Model

Recreate the oceanic expansion of the past 150 million years. When Alfred Wegener was astute enough to propose continental drift in the early 1900s, he was unable to explain what natural force could move entire continents. That explanation would not come until years later as scientists began to understand the concept of sea floor spreading. Now you can demonstrate to your class the forces behind continental drift: the creation of new lithosphere at mid-ocean ridges which serves to push the tectonic plates apart. You'll be able to retrace the process over the past 150 million years, providing visual 'snapshots' as the earth evolved through the Jurassic and Cretaceous Periods and into the Cenozoic Era. Includes comprehensive teacher's guide. Size 600mm (L) x 350mm (W).

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